Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from AT10676Aexternal-prioritypatent/AT348978B/en
Application filed by Standard Oil Co OhiofiledCriticalStandard Oil Co Ohio
Priority to AT832477ApriorityCriticalpatent/AT361900B/en
Publication of ATA832477ApublicationCriticalpatent/ATA832477A/en
Application grantedgrantedCritical
Publication of AT361900BpublicationCriticalpatent/AT361900B/en